Association of Blind Piano Tuners - Serves blind and partially sighted piano tuners worldwide. Site provides information including mission statement, aims, member list and membership benefits.

The Australasian Piano Tuners and Technicians Association (APTTA) - Consists of branch associations in WA, SA, Vic, NSW, QLD and New Zealand with a combined membership of over 300 piano technicians. Conventions are held every two years.

Equal Temperament Pitch/Frequency Chart - A keyboard based pitch to frequency chart provided by McNeil Johnston Orchestrations.

Master Piano Technicians - Provides information including mission statement of the organization, history, events, contact details, and member pages.

Piano Technician Homepage - Discusses piano maintenance, purchasing, pricing and general questions. Includes MP3 piano music files by the webmaster.